This Toshiba Li-Ion Polymer Battery is designed to work with Toshiba Portege 20xx and R100 series portable computers and it adds approximately 2 hours of battery life to your computer. Due to its lightness and high energy density, this Lithium-Ion battery is the perfect battery to take on the road because it won't weigh you down.

Please note that this battery is a direct replacement for PA3154U-1BRS.